Steel grating of Drainage pit cover

steel grating of Drainage pit cover material:Q235,SS400,etc. shape: square,round etc. surface: galvanized or painting Widely usage, beautiful steel MILL:Dalian Flight Steel Grating MILL surface: galvanized or painting We have our own entity Grating manufaterur enterpris Quality standard: Steel Grating Standards CHINA YB/T4001-1998 U.K. BS4592-1-1995 U.S.A. ANSI/NAAMM (MGB531-88) Australia AS1657-1985 Steel product Standard CHINA GB/T700-1988 Hot Galvanizing Standard CHINA GB/T13912-2002 We could provide the original model or produce according to your elevation drawing paper. 1. Hot-dip galvanized serrated grating/ serrated grating 2.Plain, Serrated, I-shape Special: 1. Smooth Grating 2. Serrated Grating 3. I bar Steel Grating Hot-dip zinc surface treatment so as to make it a good anti-corrosive capacity, shining surface appearance; ventilation, lighting, heat, explosion-proof, anti-skid of good-plot dirt. Widely used in the petrochemical industry, power plants, waterworks etc. Our mail production size: SIZE: 25mmx3mm/4mm/4.5mm/40 100 30mmx3mm/4mm/4.5mm/40 100 36mmx3mm/4mm/4.5mm/5mm/40 100 40mmx3mm/4mm/4.5mm/5mm/40 100 50mmx3mm/4mm/4.5mm/5mm/6mm/40 100 NO. of Bearing Bars (mm) Nominal widthBearing bar centers (30mm) Bearing bar centers (40mm) Bearing bar centers (60mm) 3125495125185512516518561552053057185245365821528542592453254851027536554511305405605123354456651336548572514395525785154255658451645560590517485645965185156851025195457252057576521605805226358452366588524695925257259652675510052778528815298453087531905329353396534995Steel grating of drainage pit cover Main type: JP I 34-455 Type I, allowable load is 20tons Type I, allowable load is 14tons Type IV, allowable load is 2tons 34-Dimension of drainage pit 300 x 400mm OR as customized. 455—Bearing bar section of grating 45x5mm or as customized. Drainage trench cover Type GG I 5-505 Type I, allowable load is 20tons Type I, allowable load is 14tons Type III, allowable load is 6tons Type IV, allowable load is 2tons. Type V, it’s suitable for pedestrian 5-Trench width 500mm or as customized. 505-Bearing Bar section of Grating 50x5mm or as customized. U-Type trench cover UGG II 1.5-255 UGG-Symbol of U-type trench cover II-symbol of lad bearing type Type II-allowable load is 14tons Type III-allowable load is 6tons Type IV-allowable load is 2tons Type V-it is suitable for pedestrian 1.5-Trench width 150mm or as customized 255-Bearing bar section of grating 25x5mm or as customized. Trench covers are manufactured to standard types of fabrication to various loads and spans to suit to customers’ requirements. We manufacture grating for many uses as industrial platforms, treads, trench covers and fencing, Mr Wong/ Mr Dong DaLian JiaQi Trade Co., Ltd. Tel: 0086-411-82708618/82733779